02 February 2017 0 10K Report

calculated regression for estimating weight from cephalopods beaks 

More Francisco Córdova-Zavaleta's questions See All
What should be the ideal concentration of a protein hydrolyzate to achieve molecular weight fractionation using AMICON Ultra 15 filter?

Dear colleagues, I am fractionating a protein hydrolyzate (enzymatic) obtained from a vegetable protein concentrate. I want to obtain fractions of 10Ka, 5 KDa and 3KDa using Amicon Ultra 15...

03 February 2024 8,501 0 View

Could you suggest Math education research on spatial geometry theorems without a dynamic geometry environment?

Dear colleagues, It is known that spatial geometry theorems (e.g.: three perpendiculars theorem, the distance between two straight lines in space, etc,) have been set in dynamic geometric...

06 January 2024 9,462 3 View

How to evaluate interdisciplinarity in a high school curriculum? What are the criteria to do this?

Dear colleagues, It is well known that the actual needs lead us to design/develop a curriculum with interdisciplinary characteristics in high school. But, how to evaluate if this kind of...

29 May 2023 7,681 5 View

Has anyone worked with (known) someone that has experience with elasmobranch fisheries bioeconomics?

I'm starting my PhD in Fisheries and Aquaculture Bioeconomics. My thesis is focused on analyzing bioeconomics related to the gillnet multi-specific fishery of elasmobranchs in Peru. I would ask...

25 September 2022 4,555 3 View

Does anyone has performed UCODE calibration for model muse groundwater models?

I am doing some manual calibrations on groundwater models using Model Muse, in order to optimize times and results I would like to have somo guiding or manuals on how to use Ucode for calibratiing...

20 November 2021 2,382 2 View

How is the actual situation of Mathematics Education in DPR Korea (North Korea)?

Dear colleagues: Good morning. It's common to get biased information on North Korean educacional system from official sources from South Korea. Please, could you suggest me papers or books which...

30 November 2019 1,958 3 View

What is the place of Mathematics Education into general theory of Education?

Good afternoon. I am studying on the nexuses between general theory (or theories) of Education and particular theory (or theories) in Mathematics Education. Please, could you point out if it is...

25 June 2019 2,907 5 View

What are the main differences between the following types of varieties in plants: Line, Synthetic, multilineal, mestizo, and, clone?

When trying to classify a variety I found a number of varieties including the following: a) Line b) Simple cross hybrid (AxB) c) Three line hybrid (AxB)xD d) Double hybrid (AxB)x(CxD) e)...

04 October 2017 7,178 0 View

Do you know methodologies about assessing teaching in Basic Education?

Dear colleagues: Please, do you know methodologies about assessing teaching in Basic Education around the world? Could you apppoint me bibliography on this matter? Thank you! Luis

28 August 2017 5,111 20 View

How do you explain finding argonauts eggs inside the mouth of a complete argonaut, cannibalism or stress?

Argonauts were found in a stomach of a shark.

14 November 2016 4,361 2 View

Similar questions and discussions
Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Is there an alternative to a multinomial regression which allows the DV to be non mutually exclusive?

I am trying to analyse data from a survey examining what variables affect teachers perceived barriers to incorporating technology into their classroom. I have 5 predictor variables however my DV...

06 August 2024 1,752 3 View

In order to run Multinomial Logistic Regression, is it required that the data be in the long format?

I am using unit level data (IHDS round 2) & Stata 17

06 August 2024 5,725 2 View

What should I do with parameters that are not relate to my simulation in MyLake model?

I want to Estimate surface heat fluxes using MyLake, but I don't have all the initial values in model parameters section and other sections,is there a way?

04 August 2024 1,537 1 View

Normality assumption for linear regression is The assumption of normality is whether for residual errors or predictor variavble?

When we conduct linear regression, there are several assumptions. The assumption of normality is whether the residual errors are normally distributed, not whether a predictor is normal?

31 July 2024 6,164 3 View

Why Orca calculations take too loong?

Hello! I am trying to calculate the sumatriptan molecule, but it has been counting for five days and it does not stop. It seems to me that it is too long and I am doing something wrong. Please...

25 July 2024 3,364 5 View

Is it redundant to use both Random Forest and Decision Tree algorithms in the same regression project?

I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...

23 July 2024 4,306 3 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View

Should a defect induced structure be optimized in a DFT calculation?

I'm trying to study the effects of introducing vacancy defects in my material. If I optimize my structure and find the lattice parameter before introducing vacancy, should I again optimize my...

18 July 2024 1,794 2 View

If in a panel data, T>N then which model is appropriate ?

In my data set, T is greater than N, so I chose quantile regression for my data set. So is it appropriate for that?

15 July 2024 6,416 4 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close